Decide if the statement is true or false.-4 is a solution of 5x = -21.
A. True
B. False
Answer: B
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Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.x + y = 1x + y = 8
A. {(0, 9)} B. Cramer's rule does not apply since D = 0; ? C. Cramer's rule does not apply since D = 0; {(8 - y, y)} D. {(1, 8)}
Write the equation of the line with the given slope and y-intercept.slope 3;y-intercept (0, -5)
A. y = 3x + 5 B. y = 5x + 3 C. y = -5x + 3 D. y = 3x - 5
Check the given value to see if it is a solution to the equation.
+ 
= 
; x = 11
A. Yes B. No
Convert the polar equation to rectangular form. Identify the curve.r = 5
A. x + y = 25; a line with slope 5 and y-intercept 0 B. x2 + y2 = 25; circle centered at (0, 0) with radius 5 C. x2 - y2 = 25; circle centered at (0, 0) with radius 5 D. x + y = 5; a line with slope 5 and y-intercept 0